18973825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 25692800

約数和(自身を除く): 6718975

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 739, 1027, 1975, 3695, 5135, 9607, 18475, 25675, 48035, 58381, 240175, 291905, 758953, 1459525, 3794765, 18973825]

約数ペア:

[(1, 18973825), (5, 3794765), (13, 1459525), (25, 758953), (65, 291905), (79, 240175), (325, 58381), (395, 48035), (739, 25675), (1027, 18475), (1975, 9607), (3695, 5135)]